images-CMC

Section 4: Heterogeneous Mixtures

Heterogeneous Mixtures

1.
A suspension is _________.
A)a heterogeneous mixture
B)a homogeneous mixture
C)a solution
D)impossible to prepare
2.
A colloid contains particles that ____________________.
A)are smaller than atoms
B)are between 1 nm and 1000 nm in diameter
C)settle out if left undisturbed
D)are atomic-size in scale
3.
The Tyndall effect describes ______________.
A)precipitation of colloidal particles using electrically charged plates
B)the adsorption of positive ions onto the surface of a hydrophilic solid
C)hydrophobic interactions between nonpolar molecules
D)the scattering of light by colloidal particles
4.
Which one of the following is an example of an emulsion?
A)shaving cream
B)fog
C)mayonnaise
D)styrofoam
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe

Please read our Terms of Use and Privacy Policy before you explore our Web site. To report a technical problem with this Web site, please contact the Web Producer.